Search a number
-
+
46875281049 = 32721692
BaseRepresentation
bin101011101001111111…
…000000011010011001
311110222211010000001100
4223221333000122121
51232000032443144
633311215542013
73246420212652
oct535177003231
9143884100040
1046875281049
11189749684a3
12910252a909
13456059b6bc
1423a9740529
1513453b7269
hexae9fc0699

46875281049 has 9 divisors (see below), whose sum is σ = 67709677503. Its totient is φ = 31249754352.

The previous prime is 46875281023. The next prime is 46875281053. The reversal of 46875281049 is 94018257864.

It is a happy number.

The square root of 46875281049 is 216507.

It is a perfect power (a square), and thus also a powerful number.

46875281049 is a `hidden beast` number, since 4 + 6 + 8 + 7 + 528 + 104 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2825666649 + 44049614400 = 53157^2 + 209880^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 46875281049 - 29 = 46875280537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46875280986 and 46875281004.

It is not an unprimeable number, because it can be changed into a prime (46875281149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 613437 + ... + 685605.

Almost surely, 246875281049 is an apocalyptic number.

46875281049 is the 216507-th square number.

46875281049 is the 108254-th centered octagonal number.

It is an amenable number.

46875281049 is a deficient number, since it is larger than the sum of its proper divisors (20834396454).

46875281049 is an frugal number, since it uses more digits than its factorization.

46875281049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144344 (or 72172 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 46875281049 in words is "forty-six billion, eight hundred seventy-five million, two hundred eighty-one thousand, forty-nine".

Divisors: 1 3 9 72169 216507 649521 5208364561 15625093683 46875281049